568-395 BUNA 70 SQUARE CUT RINGS

This quad-ring is supplied in AS568-395 black Buna-N (Nitrile) 70 Shore A square profile built to an inside diameter of 25.94 in (658.88 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 26.36 in (669.54 mm), catalogued under part number SH70395. It uses a four-lobed profile to create two sealing surfaces per side, reducing the squeeze needed to seal.

This material stands up to water, many alcohols, and greases and lubricants. Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ketones or polar solvents are present.

You will find this material specified across construction equipment, agricultural equipment, and fluid power.

Order part number SH70395, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.